Circuit breaker operator with defeates interlock mechanism

Details Circuit breaker operator with defeates interlock mechanism Circuit breaker operator with defeates interlock mechanism

1975-03-04

1976-09-14

Scott, James R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

H01H 922

Patent

active

039808459

ABSTRACT:
A rotary handle operator mechanism is fixedly mounted in an enclosure having a circuit interrupter mounted therein on the rear wall thereof. The mechanism includes a main handle disposed outside the enclosure for manual operation and being keyed to a cam unit engaged with the circuit breaker handle. A latch unit, including a cover latch section, is provided with a notch formation and a cam formation that cooperate with a forwardly extending pin of the cam unit to provide a switch interlock and a cover latch release.

REFERENCES:
patent: 2695934 (1954-11-01), Wills
patent: 2851548 (1958-09-01), Edmunds
patent: 2866864 (1958-12-01), Giessner et al.
patent: 2882359 (1959-04-01), Edmunds et al.
patent: 3009029 (1961-11-01), Bodenschatz et al.
patent: 3313896 (1967-04-01), Gray
patent: 3324259 (1967-06-01), Chamberlin, Jr. et al.
patent: 3382331 (1968-05-01), Jencks et al.
patent: 3657497 (1972-04-01), Homberg et al.
patent: 3848102 (1974-11-01), Jencks et al.

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